Mode: Telephone Billing System General Functions: 1)With high flexibility to all kinds of telecom charge schemes, needn't to upgrade software every time when charge scheme is changed. 2)Is applicable for PBX. 3)Supports all kinds of leased line charge. 4)Supports autodialer. 5)With flexible ways to search bill records,and multi-report outputs. 6)Generates monthly database automatically. 7)Supports multi-operator security management for Hotel.